Product Description
## Product features
- **Xtenex X300 elastic laces** designed for quick, secure adjustment, suitable for many types of shoes.
- **Diameter 3.5 to 4.5 mm** providing elasticity and strength for optimal hold without pressure points.
- **Suitable for triathlon, athletics, golf, casual shoes, seniors and children**, ideal for quick transitions.
- **Black colour (SCHWARZ)**, discreet and versatile finish that matches most shoes.
- **One size (Einheitsgröße)** compatible with the majority of eyelet and hook systems.
## Design and material
The Xtenex X300 laces are made from durable elastic material offering a balance between **controlled elasticity** and sturdiness. Their slim profile (3.5–4.5 mm) minimises bulk in the eyelets while ensuring even tension across the foot.
## Sporting performance
Particularly appreciated in **triathlon** and athletics, these laces allow faster transition phases thanks to their permanent elasticity and secure hold without frequent adjustments. They are also perfect for hybrid golf shoes and activities requiring rapid changes.
## Universal use and ergonomics
The **one size** and black finish make them a versatile solution for women and men (DAMEN | HERREN). They are suitable for children’s shoes and senior models, making putting on and taking off easier without compromising safety.
## Aesthetics and compatibility
Discreet in **black**, these laces integrate easily with a wide range of shoe styles — sporty, casual or specific — and fit most eyelets thanks to their standard diameter.
## Durability and care
Designed to withstand repeated use, the Xtenex X300 laces retain their elasticity and shape even after many uses, reducing the need for frequent replacements.